Airlift pump



FIG. 1 is a front perspective view of an airlift pump showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a side view which is opposite that of FIG. 6;

FIG. 8 is a front view thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a front perspective view of an airlift pump showing a second embodiment of our new design;

FIG. 11 is a rear perspective view of FIG. 10;

FIG. 12 is a bottom perspective view of FIG. 10;

FIG. 14 is a bottom view of FIG. 10;

FIG. 15 is a side view of FIG. 10;

FIG. 16 is a side view which is opposite that of FIG. 15;

FIG. 17 is a front view of FIG. 10;

FIG. 18 is a rear view of FIG. 10;

FIG. 19 is a front perspective view of an airlift pump showing a third embodiment of our new design;

FIG. 20 is a rear perspective view of FIG. 19;

FIG. 21 is a bottom perspective view of FIG. 19;

FIG. 22 is a top view of FIG. 19;

FIG. 23 is a bottom view of FIG. 19;

FIG. 24 is a side view of FIG. 19;

FIG. 25 is a side view which is opposite that of FIG. 24;

FIG. 26 is a front view of FIG. 19;

FIG. 27 is a rear view of FIG. 19;

FIG. 28 is a front perspective view of an airlift pump showing a fourth embodiment of our new design;

FIG. 29 is a rear perspective view of FIG. 28;

FIG. 30 is a bottom perspective view of FIG. 28;

FIG. 31 is a top view of FIG. 28;

FIG. 32 is a bottom view of FIG. 28;

FIG. 33 is a side view of FIG. 28;

FIG. 34 is a side view which is opposite that of FIG. 33;

FIG. 35 is a front view of FIG. 28; and,

FIG. 36 is a rear view of FIG. 28. 

The ornamental design for an airlift pump, as shown and described. 